Human Digestive System and Excretory System: A Comprehensive Overview

Power
point
presentat
ion

INTRODUCTION
▪ Human digestive system includes the breakdown of food into nutrients like fats, carbohydrate
and proteins.
▪ This can help to absorption and then gets into the blood steam which can help body to use those
to get energy, repair and growth. Remaining unused material get excreted as faeces.
▪ Nutrition refers to the critical part of health and development which allow to improve child and
maternal health and others (Huang et. al., (2019)).
▪ This can help to lower the non-communicable disease and help to stay healthy for better growth
and development. In this, there is discussion about the digestive system and their function. It also
includes how body system work together and transport nutrient in or out of the body.
▪ There is also discussion about the different stages of digestion like ingest, digest, absorb and
excrete. There is also discussion about the structure and function of system which can use to
remove the waste from human body.
▪ It also includes the way through which body system work together in transporting nutrients and
support and maintain good health in human body.

Digestive system and function
▪Digestive system includes the breakdown of food into nutrients which are absorbed in the bloodstream that can
be used for the growth, energy and repair.
▪There is different function of digestive system which include different organs like mouth, pharynx, oesophagus,
stomach, small intestine, accessory organs, large intestine.
▪Mouth include the ingests, chew and mix food. Pharynx includes the propels food to oesophagus form the oral
cavity. Oesophagus have the function to propel food to the stomach. Stomach includes the gastric juices and begins
the chemical breakdown of proteins and release food into the duodenum.
▪Small intestine includes the digestive juices and propels food at slow rate for better digestion along with
absorption (Sheng et. al., (2018)).
▪It also performs physical digestion through segmentation. Accessory organs include the liver which emulsify
lipids and aiding for the digestion along with absorption, gallbladder to store, release bile and concentrates and
pancreas for producing bicarbonates and digestive enzymes.